1.  A big component is subjective, what could be called psycho-acoustics.

2.  Fashion is a big component of booty dance.

3.  Lodging costs are a big component of the travel price index.

4.  Prudence suggests that equities remain a big component of many portfolios.

5.  That, and those endless reminders about his tough-as-tungsten Marine Corp days, are big components of the Wilson mystique.

6.  The author writes that a big component of growing up is figuring out that it is good to have various identities.

7.  The energy industry will feel this, because a big component of fuel usage is jet fuel, and that will go down.

8.  When energy prices are high, airlines tend to suffer because a big component of their cost structure is fuel, but the oil names will do well.